feat: archlinux

images/archlinux/common.sh

@@ -0,0 +1,151 @@
+#!/bin/bash
+# Common functions for ArchLinux images
+
+DISTRO="archlinux"
+IMAGE_NAME="${DISTRO}-base.qcow2"
+BASE_IMAGE="${BASE_DIR}/${IMAGE_NAME}"
+DISK_SIZE="15G"
+
+# Download the ArchLinux cloud image
+# ${1} - Base directory to store the image
+# ${2} - Distribution (should be "archlinux")
+# ${3} - Flavor (server, minimal, etc.)
+function download_source() {
+  # Skip if the image already exists
+  if [ -f "${BASE_IMAGE}" ]; then
+    echo "Base image already exists at ${BASE_IMAGE}, skipping download."
+    return 0
+  fi
+
+  echo "Downloading ArchLinux cloud image..."
+
+  # Get the latest ArchLinux cloud image
+  local arch_image_url="https://mirrors.pku.edu.cn/archlinux/images/latest/Arch-Linux-x86_64-cloudimg.qcow2"
+
+  wget -q -O "${BASE_IMAGE}" "${arch_image_url}"
+
+  echo "Download complete: ${BASE_IMAGE}"
+  return 0
+}
+
+# Function to resize ArchLinux cloud image
+function resize_image() {
+  local image_path="${1}"
+  local new_size="${2}"
+
+  # ArchLinux cloud images typically have this partition layout:
+  # /dev/nbd0p1  2048    4095    2048    1M BIOS boot
+  # /dev/nbd0p2  4096  618495  614400  300M EFI System
+  # /dev/nbd0p3 618496 4194270 3575775  1.7G Linux root (x86-64)
+
+  # Resize the image to the new size
+  echo "Resizing image to ${new_size}..."
+  qemu-img resize "${image_path}" "${new_size}"
+
+  # Use qemu-nbd to access the partitions
+  echo "Connecting image to NBD device..."
+  # Find an unused nbd device
+  modprobe nbd max_part=16
+
+  # Find the first available nbd device
+  NBD_DEV=$(find_free_nbd)
+
+  # Connect the image to the NBD device
+  qemu-nbd --connect="${NBD_DEV}" "${image_path}"
+
+  # Wait for partitions to be recognized
+  sleep 2
+  partprobe "${NBD_DEV}"
+
+  # Fix GPT and resize the root partition
+  echo "Resizing filesystem on root partition..."
+  sgdisk -e "${NBD_DEV}"
+
+  # Resize the last partition (root) to fill available space
+  parted -s "${NBD_DEV}" resizepart 3 100%
+  fdisk -l "${NBD_DEV}"
+
+  # Resize the ext4 filesystem
+  e2fsck -f "${NBD_DEV}p3"
+  resize2fs "${NBD_DEV}p3"
+  fdisk -l "${NBD_DEV}"
+
+  # Disconnect the NBD device
+  echo "Disconnecting NBD device..."
+  qemu-nbd --disconnect "${NBD_DEV}"
+
+  echo "Resize complete."
+}
+
+# Change package mirrors to PKU mirrors
+function os_change_source() {
+  # Backup original mirrorlist
+  cp /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.bak
+
+  # Use PKU mirrors for faster downloads
+  echo '##' > /etc/pacman.d/mirrorlist
+  echo '## PKU Mirror' >> /etc/pacman.d/mirrorlist
+  echo '##' >> /etc/pacman.d/mirrorlist
+  echo 'Server = https://mirrors.pku.edu.cn/archlinux/$repo/os/$arch' >> /etc/pacman.d/mirrorlist
+  echo '' >> /etc/pacman.d/mirrorlist
+  echo '##' >> /etc/pacman.d/mirrorlist
+  echo '## Tsinghua Mirror (Fallback)' >> /etc/pacman.d/mirrorlist
+  echo '##' >> /etc/pacman.d/mirrorlist
+  echo 'Server = https://mirrors.tuna.tsinghua.edu.cn/archlinux/$repo/os/$arch' >> /etc/pacman.d/mirrorlist
+
+  # Initialize pacman keyring if needed
+  pacman-key --init
+  pacman-key --populate archlinux
+
+  # Add archlinuxcn repository
+  echo '' >> /etc/pacman.conf
+  echo '[archlinuxcn]' >> /etc/pacman.conf
+  echo 'Server = https://mirrors.pku.edu.cn/archlinuxcn/$arch' >> /etc/pacman.conf
+
+  # Refresh package database and install archlinuxcn-keyring
+  pacman -Sy --noconfirm archlinuxcn-keyring
+
+  # Force refresh package lists
+  pacman -Syyu --noconfirm
+}
+
+function os_update() {
+  echo "pacman -Syu --noconfirm"
+}
+
+# Function to install packages on ArchLinux
+function os_install() {
+  echo "pacman -S --noconfirm"
+}
+
+function os_cleanup() {
+  echo "pacman -Scc --noconfirm && paccache -r"
+}
+
+function mount_image() {
+  NBD_DEV=$(find_free_nbd)
+  qemu-nbd --connect="${NBD_DEV}" "${1:-${IMAGE}}"
+  sleep 2
+
+  # Mount partitions
+  # Root partition
+  mount "${NBD_DEV}p3" "${MOUNT}"
+
+  # EFI partition (if it exists)
+  if [ -b "${NBD_DEV}p2" ]; then
+    mkdir -p "${MOUNT}/boot/efi"
+    mount "${NBD_DEV}p2" "${MOUNT}/boot/efi"
+  fi
+}
+
+function unmount_image() {
+  sync "${MOUNT}"
+
+  # Unmount EFI partition if mounted
+  if mountpoint -q "${MOUNT}/boot/efi" 2>/dev/null; then
+    umount "${MOUNT}/boot/efi"
+  fi
+
+  umount "${MOUNT}"
+  qemu-nbd --disconnect "${NBD_DEV}"
+}

images/archlinux/pku/build.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+# shellcheck disable=SC2034,SC2154
+
+# Image configuration
+IMAGE_NAME="archlinux-server-pku-${build_version}.qcow2"
+DISK_SIZE="10G"
+PACKAGES=(qemu-guest-agent)
+SERVICES=(qemu-guest-agent.service)
+
+function pre() {
+  echo "Preparing to build ${IMAGE_NAME} with disk size ${DISK_SIZE}"
+}
+
+function inchroot() {
+  echo "Setting up the image environment for ${IMAGE_NAME}..."
+
+  # Install required tools for handling RPM packages
+  pacman -S --noconfirm --needed rpmextract wget curl
+
+  # Get the latest clab-guest-tools version from rpm repository
+  echo "Fetching latest clab-guest-tools version..."
+  latest_rpm=$(curl -s "https://git.pku.edu.cn/api/packages/lcpu/rpm/el9/repodata/primary.xml.gz" | \
+    gunzip | grep -o 'package/clab-guest-tools/[^"]*\.rpm' | \
+    sort -V | tail -1)
+
+  if [ -z "$latest_rpm" ]; then
+    echo "Failed to get latest clab-guest-tools version, falling back to known version"
+    latest_rpm="package/clab-guest-tools/0.0.20250930-1.el9/noarch/clab-guest-tools-0.0.20250930-1.el9.noarch.rpm"
+  fi
+
+  rpm_url="https://git.pku.edu.cn/api/packages/lcpu/rpm/el9/${latest_rpm}"
+  echo "Downloading clab-guest-tools from: ${rpm_url}"
+
+  # Download and extract clab-guest-tools RPM
+  cd /tmp
+  wget -O clab-guest-tools.rpm "${rpm_url}" || {
+    echo "Failed to download clab-guest-tools RPM"
+    exit 1
+  }
+
+  # Extract RPM directly to root filesystem
+  cd /
+  rpmextract.sh /tmp/clab-guest-tools.rpm
+
+  # Clean up
+  rm -f /tmp/clab-guest-tools.rpm
+
+  echo "clab-guest-tools installation completed"
+}
+
+function post() {
+  # compress the image, which is qcow2 format
+  qemu-img convert -f qcow2 -O qcow2 -o compression_type=zstd -m 8 "${1}" "${2}"
+  rm "${1}"
+}